/*
 * pios_usart_config.h
 *
 *  Created on: May 8, 2011
 *      Author: Michael Smioth
 */

#ifndef PIOS_USART_CONFIG_H_
#define PIOS_USART_CONFIG_H_

/**
 * Generic USART configuration structure for an STM32F2xx port.
 */
#define USART_CONFIG(_usart, _baudrate, _rx_gpio, _rx_pin, _tx_gpio, _tx_pin) \
    {                                                                       \
        .regs  = _usart,                                                    \
        .remap = GPIO_AF_##_usart,                                        \
        .init  = {                                                           \
            .USART_BaudRate   = _baudrate,                         \
            .USART_WordLength = USART_WordLength_8b,               \
            .USART_Parity     = USART_Parity_No,                   \
            .USART_StopBits   = USART_StopBits_1,                  \
            .USART_HardwareFlowControl = USART_HardwareFlowControl_None,    \
            .USART_Mode                = USART_Mode_Rx | USART_Mode_Tx,     \
        },                                                                  \
        .irq = {                                                            \
            .init                                  = {                                                    \
                .NVIC_IRQChannel    = _usart##_IRQn,       \
                .NVIC_IRQChannelPreemptionPriority = PIOS_IRQ_PRIO_HIGH,    \
                .NVIC_IRQChannelSubPriority        = 0,                     \
                .NVIC_IRQChannelCmd = ENABLE,                \
            },                                                              \
        },                                                                  \
        .rx = {                                                           \
            .gpio = _rx_gpio,                                               \
            .init = {                                                       \
                .GPIO_Pin   = _rx_pin,                                      \
                .GPIO_Mode  = GPIO_Mode_AF,                                 \
                .GPIO_Speed = GPIO_Speed_50MHz,                             \
                .GPIO_OType = GPIO_OType_PP,                                \
                .GPIO_PuPd  = GPIO_PuPd_UP,                                 \
            },                                                              \
        },                                                                  \
        .tx = {                                                           \
            .gpio = _tx_gpio,                                               \
            .init = {                                                       \
                .GPIO_Pin   = _tx_pin,                                      \
                .GPIO_Mode  = GPIO_Mode_AF,                                 \
                .GPIO_Speed = GPIO_Speed_50MHz,                             \
                .GPIO_OType = GPIO_OType_PP,                                \
                .GPIO_PuPd  = GPIO_PuPd_UP,                                 \
            },                                                              \
        },                                                                  \
    }

#endif /* PIOS_USART_CONFIG_H_ */
